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Finding the Fourth Proportional to 361,652.03, 499,078.90 and 200,502.93

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Solution

The fourth proportional to 361,652.03, 499,078.90 and 200,502.93 is: 276,693.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,652.03 : 499,078.90 = 200,502.93 : x
  2. Step 2: Convert to fraction form
    361,652.03/499,078.90 = 200,502.93/x
  3. Step 3: Cross multiply
    361,652.03x = 499,078.90 × 200,502.93
  4. Step 4: Simplify right side
    361,652.03x = 100,066,781,751.18
  5. Step 5: Solve for x
    x = 100,066,781,751.18/361,652.03
  6. Step 6: Final answer
    x = 276,693.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.